hers of New Amsterdam begin to substitute coffee for "must," or
beer, for breakfast in 1668--William Penn makes his first purchase of
coffee in the green bean from New York merchants in 1683--The King's
Arms, the first coffee house--The historic Merchants, sometimes called
the "Birthplace of our Union"--The coffee house as a civic forum--The
Exchange, Whitehall, Burns, Tontine, and other celebrated coffee
houses--The Vauxhall and Ranelagh pleasure gardens Page 115

CHAPTER XIV

COFFEE HOUSES OF OLD PHILADELPHIA

Ye Coffee House, Philadelphia's first coffee house, opened about
1700--The two London coffee houses--The City tavern, or Merchants coffee
house--How these, and other celebrated resorts, dominated the social,
political, and business life of the Quaker City in the eighteenth
century Page 125

CHAPTER XV

THE BOTANY OF THE COFFEE PLANT

Its complete classification by class, sub-class, order, family, genus,
and species--How the Coffea arabica grows, flowers, and bears--Other
species and hybrids described--Natural caffein-free coffee--Fungoid
diseases of coffee Page 131

CHAPTER XVI

THE MICROSCOPY OF THE COFFEE FRUIT

How the beans may be examined under the microscope, and what is
revealed--Structure of the berry, the green, and the roasted beans--The
coffee-leaf disease under the microscope--Value of microscopic analysis
in detecting adulteration Page 149

CHAPTER XVII

THE CHEMISTRY OF THE COFFEE BEAN

_By Charles W. Trigg._

Chemistry of the preparation and treatment of the green bean--Artificial
aging--Renovating damaged coffees--Extracts--"Caffetannic
acid"--Caffein, caffein-free coffee--Caffeol--Fats and
oils--Carbohydrates--Roasting--Scientific aspects of grinding and
packaging--The coffee brew--Soluble coffee--Adulterants and
substitutes--Official methods of analysis Page 155

CHAPTER XVIII

PHARMACOLOGY OF THE COFFEE DRINK

_By Charles W. Trigg_

General physiological action--Effect on children--Effect on
longevity--Behavior in the alimentary regime--Place in dietary--Action
on bacteria--Use in medicine--Physiological action of "caffetannic
acid"--Of caffeol--Of caffein--Effect of caffein on mental and motor
efficiency--Conclusions Page 174

CHAPTER XIX

THE COMMERCIAL COFFEES OF THE WORLD